Lower Pennsylvanian species of mariopteris, eremopteris, diplothmema, and aneimites from the Appalachian region.

Bibliographic Details
Main Author:	White, David, 1862-1935
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1943.
Series:	Professional paper (Geological Survey (U.S.)) ; 197-C. Shorter contributions to general geology.
Subjects:	Paleobotany > Pennsylvanian > Appalachian Region. Paleobotany > Paleozoic.

Evans: US Documents (Annex 5th floor)